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Oct. 16, 1962
B. w. GABRIELSEN ETAL
3,058,743
SPRINGBOARD
Filed Nov. 25, 1960
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INVENTORS
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.JAMES E. DYE
BRAMwELL _w. GABRIELSEN
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ATTORNEYS
United States Patent O
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Patented Oct. 16, 1962
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2
3,058,743
FIGURE 11 is a cross-sectional elevation view taken
on the inboard end of a springboard, this structure being
SPRINGBGARD
Bramwell W. Gabrielsen, 290 King Ave., and James E.
Dye, 2092 Jefferson Road, both of Athens, Ga.
Filed Nov. 25, 1960, Ser. No. 71,633
12 Claims. (Cl. 272-66)
adapted for 14 ft. and 16 ft, springboards;
FIGURE 12 is an elevation section view taken along
line 12-12 of FIGURE 10;
FIGURE 13 is a side elevation view of the springboard
in FIGURE 10;
This invention relates to an improved springboard of
FIGURE 14 is a plan view of a 16 ft. springboard
of the more recent `developments in this art have utilized
board end of the spring board 10 is fastened to the rear
supporting member 12 by a bolt 16. The rear and for
ward supporting members 12 and 14 respectively are of
conventional structure and form no part of this invention,
according to another embodiment of this invention;
the type used in competitive diving events in organized
FIGURE 15 is an elevation section view taken along
competition, for recreation purposes and the like, and is 10
lines 15-15 of FIGURE 14;
a continuation-in-part of our copending application,
FIGURE 16 is an elevation section view taken along
Serial No. 844,593, filed October 5, 1959, now aban
line 16-16 of FIGURE 14; and
doned.
FIGURE 17 is an elevation section view taken along
Springboards for organized diving competition as well
line 17-17 of FIGURE 14.
as for recreational use are Well-known in the art. The
Reference is now made to the drawings, and specifically
prior art springboard developments have provided con
FIGURES l through 8. There is shown -in FIGURES l
structions ranging from one-piece wood plankings, lami
and 2 a springboard `l0 which is ñxedly secured to a rear
nated wood structures, tiber glass-covered wood spring
supporting member l2 and is freely supported by a for
boards, to various recent developments wherein diverse
designs of metal springboards have been provided. Some 20 ward supporting member 14. As will be evident, the in
extrusions as well as lamination techniques in their con
struction. Additionally, the materials utilized in such
structures have ranged from, `of course, wood, to alumi
num as well as other materials.
'While the prior art springboard devices have enjoyed
varying degrees of success from the standpoint of ability
to retain their spring-like action over extended periods
of time, the prior art springboards »do not atiord opti
mum results. It is, accordingly, an object of this inven
25 the supporting members 12 and 14 being `secured by ap
propriate means (not shown) to the edge of a swimming
pool.
The springboard 10 includes a top plate 18 which ex
tends the length of the springboard 10 from the inboard
end to the outboard end, as will be understood.
On the
inboard end of the springboard 10 is disposed a mounting
plate 20 which provides enhanced structural strength in
ing embodying novel structural features.
the area where the bolts 16 pass through the springboard
Another object of this invention is to provide a spring
10. Bolts 21 also join the mounting plate 20 to the
board which preferably utilizes stainless steel construc
springboard 10. On the outboard end of the springboard
tion throughout and is characterized by enhanced spring
10 is disposed a protective safety cover 22 of, for eX
action and high qualities of durability over long periods
ample, synthetic rubber or the like, the `safety cover 22
of time.
protecting the diver from inadvertent injury on the edge of
Another object of this invention is to provide a spring
the springboard 10. The top plate 1S of the springboard
board device which is acceptable for all types of competi
tive diving events, gymnasium springboards, springboards 40 10 may be covered with suitable nonskid composition
paint, nonskid treads, or the like, as are well-known in
used for recreational purposes at private homes, motels,
the art.
clubs, and the like, which is characterized by new and
Referring now to FIGURES 3, 4 and S, the structure
improved rib structures particularly adapted for spring
pf the springboard 10 according to one embodiment of
boards of different lengths.
this invention is shown, this structure being particularly
Further objects and advantages of this invention will
suited for springboards in the order of 14 and 16 ft. in
become apparent in the following speciíication, claims,
length. The top plate 18 has depending side walls 24
and accompanying drawings, wherein:
which extend the length of the springboard 10. A plu
FIGURE 1 is a side elevation view of one embodiment
rality of vertically disposed channel members 26 having
of the springboard according to this invention;
FIGURE 2 is a plan view of the springboard in FIG 50 upper and lower flanges 28 and 30 respectively, extend
longitudinally below the top plate 18. In this regard,
URE 1;
the upper ñanges 28 are secured to the underside of the
FIGURE 3 is a perspective View, partly in section, of
top plate 1S by suitable means, as by resistance or plug
the free end portion of the springboard in FIGURES 1
welding. Channel members 26 are disposed in -a back
and 2;
to-back relationship, there being a vertical plate disposed
FIGURE 4 is a partial side elevation view, partly in
between adjacent channel members, as best shown in FIG
section, of the springboard in FIGURES l »to 3;
URE 8. The vertical plates 32 are disposed on the
FIGURE 5 is a partial plan View of the inboard por
underside of the top plate 18. In this regard, the vertical
tion of the springboard, showing an alternate means for
plates 32 may be of progressively `decreasing height from
securing the springboard to the securing means;
FIGURE 6 is a view taken along line 6_6 of FIG 60 the inboard end to the outboard end of the springboard
10. Thus, the strength of the springboard 10 will be
URE 5;
progressively decreased towards the outboard end, pro
FIGURE 7 is a partial elevation view of a spacer ele
viding a whip-like effect when the springboard 10 is used.
ment used in FIGURE '6;
'I‘lhe vertical plates 32 may be a plurality of aligned
FIGURE 8 is a view taken along line 8-8 of FIGURE
2, this structure being preferably adapted for 14 ft. and 65 plates, each having a progressively decreasing vertical
height. Mounted between adjacent channel members 26
16 ft. springboards; and
are bottom plate members 34 having flanges 36 extend
FIGURE 9 is a modiñcation of the structure shown in
ing therefrom which are secured to the vertical walls 38
FIGURE 8, this structure being preferably adapted for 6
of channel members 26. The bottom plate members 34»
ft.-12 ft. springboards;
FIGURE l0 is a plan view of a 6 ft-l2 ft. springboard 70 may have inwardly extending lips 40, »as shown in FIG
URE 8.
construction according to another embodiment of this
Referring specifically to FIGURE 3, there is shown
tion to provide a new and improved springboard for div
invention;
3,058,743
4
a partial perspective view ofY the end structure of the
is joined to the depending side Wall 24 vof the »top plate 18,
springboard y1t) according to a feature of this invention.
as shown «in FIGURE 12.
The structure shown in FIGURE 3 is equally well adapted
FIGURE 11 shows the cover plate 18, and the mount
for both the inboard and outboard ends of the spring
ing plate 20, with cylindrical spacer members 74 passing
board 10, the safety cover 22 or the mounting plate 28
vertically therethrough, Vand secured to the top plate 20
being omitted for clarity. The channel members 26 and
by weld 76. An aligning plate 78, secured to the bot
«the vertical plates 32 are terminated slightly before the
tom portion of the springboard 10a -provides additional
end of the springboard 10, the bottom plate members 34
support for the spacer members 74, to which it is ap
extending to the end of the springboard 1t). There is
propriately secured, as by weld 80.
disposed a transverse channel 42 across the top of the 10
Referring now to 4FIGURES l1, and 14 through 17,
bottom plate members 34, which is also in abutment with
still another embodiment of the springboard 10 is shown,
the »top plate 18, as best shown in FIGURE 3.
which is particularly adapted for a 14 and 16 ft. spring
In FIGURE 4, there is shown the complete outboard
board used in organized diving competition, wherein the
end structure, also with the safety cover 22 omitted for
structural strength of the springboard is progressively
clarity, the structure is substantially identical to that in
decreased from the inboard end to the outboard end.
FIGURE 3, additionally with a transversely extending L
The maximum structural strength is provided, as shown in
member 44 secured to the transverse channel 42 and the
FIGURE l5, the strength `decreasing in FIGURES 16
bottom plate members 34, as by machine screws 46.
and 17 respectively.
Slidably disposed on the outboard end of the springboard
The mounting plate 20 is preferably secured as shown
V10 is a cap member 48 having upper and lower ilanges 59 20 in FIGURE 11, and the end structure is generally similar
and 52, respectively. The upper ñange 58 abuts top plate
Ito the structure shown in FIGURES 3 and 4. In FIG
18, while the lower flange 52 abuts the lips 40 of the
URE 11, there are shown longitudinally extending in
bottom plate members 34.
Y
verted L members 82 having horizontal leg portions 84
Reference `is now made to FIGURES 5, 6 and 7, Iwhich
which are secured to the underside of the top plate 18, as
show the inboard end structure of the springboard l() for 25 by welding. The vertical Walls 86 of the L members
engagement with the rear supporting member 12. As
82 are joined together in `a back-to-back relationship by
previously mentioned, >a plate 20 extends transversely
suitable means. Passing longitudinally between adjacent
across the inboard end of the springboard 10. The
L members 82 are a plural-ity of bottom plate members
mounting plate'Zü includes a ydepending end wall 56, and
34 having recessed portions 66 therealong. The L mem
depending side walls 58 (FIGURE 7). A first spacer 30 bers have a ñange 88 which is in abutment with the lips
member 60 passes vertically through the springboard 10,V
40 of the bottom plate members 34. This structure is,
and a second spacer member 62 is disposed concentri
of course, repeated along the transverse width of the
cally within the first spacer 60. The second spacer mem
ber has a flange 64 on its upper end which abuts the
springboard 10.
side of the mounting plate 20, as best shown in FIG
to-back relationship,rgenerally'as shown also in FIGURE
Referring now to FIGURE l5, the top plate 18 is
mounting plate 2t). The first spacer member may have 35 shown with `downwardly extending side walls 24. A plu
a plate 65 which abuts the top plate 18, and the under
rality of inverted L members 82 are arranged in back
URE 6.
11. The main distinction between the structure in FIG
Referring now to FIGURES 9, l0, 12 and 13, there
URE l1 and the structure in FIGURE 15 is the addition
is shown an alternate springboard structure 18a, which 40 of vcomplementary bottom plate members'34’, which are
is particularly `adapted for springboards in the order of
the same in structure as bottom plate members 34. The
V6 ft. through 12 ft. in length. In FIGURES 9 and 12,
complementary members 34’ are disposed in a back-to
the »bottom plate members 34 have longitudinally recessed
back relationship with the bottom plate members 34 to
portions 66. Secured to the underside of the top plate
provide enhanced rigidity of the springboard 10 at the
18 are a plurality of downwardly facing channel members
inboard end.
Y
68, having depending walls 70. The llanges 36 of the
bottom plate members 34 are secured by suitable Ymeans
to the inner and outer sides of the depending Walls 70.
In this regard, the members 68 are alternatively spaced
apart, whereby one bottom plate member34 is disposed
wholly within the member 68, 'while the next adjacent
bottom plate member 34 is wholly without the member
68. Additionally, the top plate 18 may have inwardly
extending lips 72 which abut the bottom side of the lips
In FIGURE 16, the strength of the springboard 10 is
decreased by terminating the bottom plate members 34
and the complementary members 34’ in alternate rows.
Additionally, the complementary members 34’ are termi
nated across the transverse length of the structure, thereby
leaving the L members 82 and bottom plate members 34
It will be noted that FIGURES 8 and 9 show the bot
in alternate rows, as shown in FIGURE V16.V
In FIGURE 17, the L members are no longer arranged
in a back-to-back relationship, the alternate pairs of L
members being terminated. Thus, as shown in FIG
URE 17, there are provided facing L members 82 with
tom plate members 34 Vdisposed adjacent to the lower end
bottom plate members 34 being joined with their flanges
40 vof the bottom plate members 34.
'
of the channel members 26 and 68 respectively, this ar
36 to the respective vertical walls 86. This arrangement
rangement providing a highly effective whip-like effect of
is provided for alternate rows, as shown in FIGURE 17.
While numerous embodiments of the invention are
the springboard 10a.
FIGURES 8 and 9 show a S-chan
nel springboard; however, 7 and 9-channel springboard
construction has been found to be equally well suited for
Vthis purpose. The inboard end portion yof the spring
board 10a is adapted to receive the bolts I6 for Vsecuring
the springboard 10a to the 4rear supporting member 12,
in the manner that the springboard 10 is secured in FIG
URES 5, 6, 7, and 1l.
'
shown, it will be appreciated that the novel structural
features included herein may be used interchangeably in
the various embodiments of this invention.
'
Preferably, stainless steel construction is used in the
embodiments of this invention, stainless steel having been
found to be highly durable and eflicient for the purposes
required.
K
Referring now to FIGURE 12, the strength of the
The various structures disclosed herein provide for a
springboard 16a is decreased to provide a generally whip 70 springboard which has substantial resilience, wherein the
like action or springing eñîect. The structure in FIG
nor-mal stresses exerted on the springboard are insuflicient
URE 12 is generally similar to the structure in FIGURE Y
to cause permanent deformation by exceeding the elastic
9, wherein the bottom'plate members 34V are joined at
limit of the varoius elements.
'
Y '
their respective vertical flanges 36 to the member 68.
It will, therefore,'be seen that there has been provided
At the sides of the springboard 18a the ñange portion 36 75 by this invention a structure in which the various objects
3,058,743
5
hereinbefore set forth, together with many practical ad
posed in abutment with the lower tlanges of said vertical
vantages, are successfully achieved.
As various possible embodiments may be made of the
members.
6. Structure derlned in claim 4, further including ver
tical plates disposed between said vertical members.
mechanical features of this invention, all without depart
ing from the scope thereof, it is to be understood that all
7. Structure defined in claim 6, wherein said Vertical
plates are of decreasing height from the inboard end to
the outboard end of said top portion.
8. A springboard comprising: an elongated top por
tion; a plurality of Vertical members secured to the under
matters herein set forth or shown in the accompanying
drawings is to be interpreted in an illustrative, and not
in a limiting sense.
‘We claim:
l. A springboard device comprising: an elongated top
portion, said top portion including depending side walls
extending substantially the entire length thereof; vertical
members disposed in transversely spaced relation between
lO
said side walls and extending downwardly from and longi
tudinally of said top portion, said vertical members being
secured to the lower surface of said top portion; bottom
plate members including horizontally disposed portions
extending longitudinally of said top portion and across
spaces between said vertical members, said horizontal por
tions being disposed intermediate said top portion and
the lower edges of said vertical members, said bottom
plate members being secured to the adjacent side walls
of said vertical members whereby there are formed sub
stantially throughout the length of the springboard a
plurality ot substantially rectangular spaces deñned by
the horizontal portions of the bottom plate members, the
vertical members, and the top portion.
side of said top portion and extending longitudinally there
of, some of said vertical members extending only a por
tion ot the length of said top portion from the inboard
end thereof, other vertical members extending substan
tially the entire length of said top portion; bottom plate
members secured to said vertical members, some of said
bottom plate members extending only a portion of the
length of said top portion, other bottom plate members
extending substantially the entire length of said top por
tion.
9. Structure defined in claim 8 wherein said vertical
members are each in the form of an inverted L and are
disposed in back-to-back relation along at least a portion
of the length of said top portion.
1t). Structure defined in claim 8 wherein said bottom
plate members include recessed portions extending there
along.
1l. Structure defined in claim 8 further including com
2. Structure deiined in claim 1, said bottom plate mem
bers including depending flanges which are secured to the
adjacent side walls of said vertical members.
3. Structure defined in claim l wherein said vertical
members include laterally extending llanges at their upper
edges, said ilanges being secured to the underside of said
plementary members disposed in back-to-back relation
top portion.
tions.
4. Structure deñned in claim 1, wherein each of said 35
vertical members is in the form of a channel, said vertical
with said bottom plate members.
12. Structure deñned in claim 10 further including
complementary members disposed in back-to-back rela
tion with said bottom plate members, said complementary
members including longitudinally extending recessed por
Ret‘erences Cited in the tile of this patent
UNITED STATES PATENTS
members being disposed in baclr-to-baclr relation.
5. Structure deiined in claim 1, wherein said vertical
members include flanges at their upper ends and inwardly
40
directed ilanges at their lower ends, said bottom plate
members including depending flange portions and lips
extending inwardly of said flange portions, said lips dis
2,649,304
2,678,213
2,807,468
2,831,688
2,864,616
Ulanovslry ___________ __ Aug. 18,
Buck ________________ __ May 11,
Patterson ____________ __ Sept. 24,
Knox _______________ __ Apr. 22,
1953
1954
1957
1958
Rude _______________ __ Dec. 16, 1958